Finding the Third Proportional to 155,861 and 365,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,861 : 365,028.50 = 365,028.50 : x
2. Step 2: Convert to fraction form
   155,861/365,028.50 = 365,028.50/x
3. Step 3: Cross multiply
   155,861x = 365,028.50 × 365,028.50
4. Step 4: Simplify right side
   155,861x = 133,245,805,812.25
5. Step 5: Solve for x
   x = 133,245,805,812.25/155,861
6. Step 6: Final answer
   x = 854,901.52